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Finding the Fourth Proportional to 167,070.66, 250,730.57 and 67,231.74

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Solution

The fourth proportional to 167,070.66, 250,730.57 and 67,231.74 is: 100,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,070.66 : 250,730.57 = 67,231.74 : x
  2. Step 2: Convert to fraction form
    167,070.66/250,730.57 = 67,231.74/x
  3. Step 3: Cross multiply
    167,070.66x = 250,730.57 × 67,231.74
  4. Step 4: Simplify right side
    167,070.66x = 16,857,052,492.29
  5. Step 5: Solve for x
    x = 16,857,052,492.29/167,070.66
  6. Step 6: Final answer
    x = 100,897.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.